NET Developer

CGI is seeking an experienced Senior .NET Developer to join our Applications Development and Maintenance team supporting a large metropolitan client’s IT Application environment. This role offers the opportunity to work in a sophisticated, enterprise-scale technology environment and contributes to the development, modernization, and ongoing support of critical business applications., * Design, develop, test, implement, and support enterprise web applications using the .NET platform, C#, and ASP.NET

• Translate business and technical requirements into scalable, secure, and maintainable software solutions
• Serve as a technical subject matter expert for assigned solutions and act as a key point of contact between vendors and the development team to resolve complex technical issues
• Participate in project planning and requirements-gathering sessions with technical and functional leads, business analysts, and other stakeholders to analyze business needs and define proposed IT solutions
• Develop technical specifications and contribute to application architecture, system design, data flow, and integration strategies
• Participate in design and architecture reviews, ensuring solutions align with established technical standards and architectural specifications
• Incorporate security requirements and industry best practices into application design and development
• Participate in code reviews to ensure code quality, maintainability, security, and adherence to development standards
• Troubleshoot and resolve complex application and code-related issues in collaboration with QA and other technical teams
• Provide hands-on technical guidance, coaching, and mentoring to senior and junior developers throughout all phases of the project lifecycle
• Provide technical leadership from project initiation through implementation, with an emphasis on sound architecture, reusable solutions, development best practices, and creative problem-solving
• Act as an independent technical advisor on complex phases of system design, programming, implementation, integration, and analysis
• Lead or contribute to major system design, development, modernization, and implementation initiatives
• Gather and analyze system requirements, develop technical specifications, and write software in accordance with established standards
• Perform quality reviews of code and technical designs and support continuous improvement of development practices and processes
• Collaborate effectively with cross-functional teams in a multidisciplinary and fast-paced environment

What you’ll bring

• 5+ years of hands-on software development experience, with a focus on developing enterprise web applications
• Strong understanding of the Software Development Life Cycle (SDLC), including requirements and issue management, defect tracking, source control, build and test automation, and release management
• General technical application support experience with a solid understanding of enterprise IT concepts, including application troubleshooting, infrastructure, networking, operating systems, and databases. Experience with additional programming languages and technologies is an asset
• Proven experience designing and developing applications using the .NET platform, C#, and ASP.NET
• Demonstrated experience with TFS/Azure DevOps Server, JIRA, Confluence, or similar development and collaboration tools
• Strong knowledge of software version control concepts and change management processes
• Strong understanding of data modeling principles and relational database concepts
• Hands-on database experience with Microsoft SQL Server (T-SQL) and/or MySQL
• Working knowledge of software architecture and development patterns, including MVC, MVVM, Domain-Driven Design (DDD), Test-Driven Development (TDD), and CI/CD
• Strong understanding of authentication, authorization, and application security concepts
• Experience developing and integrating web services and APIs
• Experience with front-end development technologies, including jQuery, CSS, and HTML5
• Experience conducting application security code reviews and/or application vulnerability assessments
• Strong written, verbal, and interpersonal communication skills
• Demonstrated ability to learn, adopt, and implement new technologies based on evolving client and business needs
• Ability to work effectively in a rapidly changing environment while managing priorities, meeting deadlines, maintaining high-quality standards, and responding flexibly to customer needs
• Familiarity with modern AI-assisted software development and coding platforms, such as Claude Code, GitHub Copilot, or ChatGPT Codex, * Experience working in major cloud environments, including AWS, Google Cloud Platform (GCP), or Microsoft Azure
• Experience with Model Context Protocol (MCP)
• Experience designing, developing, or supporting data pipelines
• Experience with containerization and orchestration technologies, including Docker, Docker Compose, and Kubernetes
• Exposure to Oracle 11g/12c
• Experience designing and developing solutions using Windows Workflow Foundation (WF)
• Hands-on experience with dashboard, reporting, and business intelligence platforms, such as Tableau, Salesforce, or Microsoft Dynamics
• Experience developing accessible applications that comply with ADA and WCAG 2.1 Level AA standards

Minimum Education Required:

• Associate degree in Computer Science, Information Technology, Engineering, or a related field, or equivalent combination of education and professional experience.

Skills:

• .NET
• Application Design
• C#
• Problem Solving
• Requirements Analysis
• SQL